Thước
Lỗ Ban
Three traditional feng shui rulers, packed into one app.
A feng shui measuring tool built on Master Lỗ Ban's classical principles — for doors, homes, furniture and gravesites alike. No ads, no internet needed.
The right ruler for the job
For clear openings — door and window apertures, light and airflow gaps.
For homes, construction work and household furniture — tables, cabinets, shelves.
For gravesites and spiritual structures — tombs, caskets, altars.
From the job site to the family altar
check auspicious dimensions while drafting.
swap the dusty paper tape for an app in your pocket.
measure doors, altars and furniture before ordering.
Inside the app
Real captures from the app — nothing mocked up.
Never settle for bad luck
Landed on an inauspicious palace? The app tells you exactly how many mm to move.
Metric or imperial
Switch between millimetres and inches — the ruler and every verdict follow along.
Easy on the eyes
A full dark theme for late-night site visits and workshop lighting.
Speaks your language
Vietnamese, English and Simplified Chinese — switch instantly, no restart needed.
